// 材料定义（原材料类）
const MATERIALS = [
    // 矿石类
    { name: '铁矿石', type: 'material', price: 15, category: '金属矿石' },
    { name: '铜矿石', type: 'material', price: 20, category: '金属矿石' },
    { name: '银矿石', type: 'material', price: 35, category: '金属矿石' },
    { name: '金矿石', type: 'material', price: 50, category: '金属矿石' },
    
    // 木材类
    { name: '橡木', type: 'material', price: 8, category: '木材类' },
    { name: '松木', type: 'material', price: 6, category: '木材类' },
    { name: '杉木', type: 'material', price: 7, category: '木材类' },
    { name: '桦木', type: 'material', price: 9, category: '木材类' },
    
    // 谷物类
    { name: '小麦', type: 'material', price: 5, category: '谷物类' },
    { name: '大麦', type: 'material', price: 6, category: '谷物类' },
    { name: '水稻', type: 'material', price: 7, category: '谷物类' },
    { name: '玉米', type: 'material', price: 4, category: '谷物类' },
    
    // 鲜肉类
    { name: '猪肉', type: 'material', price: 12, category: '鲜肉类' },
    { name: '牛肉', type: 'material', price: 18, category: '鲜肉类' },
    { name: '羊肉', type: 'material', price: 15, category: '鲜肉类' },
    { name: '鸡肉', type: 'material', price: 8, category: '鲜肉类' },
    { name: '鸭肉', type: 'material', price: 9, category: '鲜肉类' },
    { name: '驴肉', type: 'material', price: 20, category: '鲜肉类' },
    
    // 鲜鱼类
    { name: '鲈鱼', type: 'material', price: 10, category: '鲜鱼类' },
    { name: '草鱼', type: 'material', price: 8, category: '鲜鱼类' },
    { name: '鲤鱼', type: 'material', price: 9, category: '鲜鱼类' },
    { name: '鲅鱼', type: 'material', price: 12, category: '鲜鱼类' },
    { name: '鲫鱼', type: 'material', price: 7, category: '鲜鱼类' },
    { name: '鳕鱼', type: 'material', price: 15, category: '鲜鱼类' },
    
    // 鲜果类
    { name: '苹果', type: 'material', price: 3, category: '鲜果类' },
    { name: '梨', type: 'material', price: 4, category: '鲜果类' },
    { name: '桃', type: 'material', price: 5, category: '鲜果类' },
    { name: '葡萄', type: 'material', price: 6, category: '鲜果类' },
    { name: '橙子', type: 'material', price: 7, category: '鲜果类' },
    { name: '香蕉', type: 'material', price: 8, category: '鲜果类' },
    
    // 水资源
    { name: '生水', type: 'material', price: 1, category: '水资源', quality: 'poor' },
    { name: '泉水', type: 'material', price: 3, category: '水资源', quality: 'good' },
    { name: '熟水', type: 'material', price: 2, category: '水资源', quality: 'excellent' }
];
